/**
 * <p>
 * Example:
 * <p>
 * <code>
 * var text = JSON.stringify(['e', {pluribus: 'unum'}]); // text is '["e",{"pluribus":"unum"}]'
 * </code>
 * <p>
 * <code>
 * var myData = JSON.parse(text);
 * </code>
 * </p>
 * </p>
 */
var JSON;
if (!JSON) {
    JSON = {};
}

(function () {
    'use strict';

    function f(n) {
        return n < 10 ? '0' + n : n;
    }

    if (typeof Date.prototype.toJSON !== 'function') {

        Date.prototype.toJSON = function (key) {

            return isFinite(this.valueOf()) ? this.getUTCFullYear() + '-' + f(this.getUTCMonth() + 1)
                + '-' + f(this.getUTCDate()) + 'T' + f(this.getUTCHours()) + ':'
                + f(this.getUTCMinutes()) + ':' + f(this.getUTCSeconds()) + 'Z' : null;
        };

        String.prototype.toJSON = Number.prototype.toJSON = Boolean.prototype.toJSON = function (key) {
            return this.valueOf();
        };
    }

    var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, gap, indent, meta = { // table
        '\b':'\\b',
        '\t':'\\t',
        '\n':'\\n',
        '\f':'\\f',
        '\r':'\\r',
        '"':'\\"',
        '\\':'\\\\'
    }, rep;

    function quote(string) {

        escapable.lastIndex = 0;
        return escapable.test(string) ? '"' + string.replace(escapable, function (a) {
            var c = meta[a];
            return typeof c === 'string' ? c : '\\u'
                + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
        }) + '"' : '"' + string + '"';
    }

    function str(key, holder) {

        var i, // The loop counter.
            k, // The member key.
            v, // The member value.
            length, mind = gap, partial, value = holder[key];

        if (value && typeof value === 'object' && typeof value.toJSON === 'function') {
            value = value.toJSON(key);
        }

        if (typeof rep === 'function') {
            value = rep.call(holder, key, value);
        }

        switch (typeof value) {
            case 'string' :
                return quote(value);

            case 'number' :

                return isFinite(value) ? String(value) : 'null';

            case 'boolean' :
            case 'null' :

                return String(value);

            case 'object' :

                if (!value) {
                    return 'null';
                }

                gap += indent;
                partial = [];

                if (Object.prototype.toString.apply(value) === '[object Array]') {

                    length = value.length;
                    for (i = 0; i < length; i += 1) {
                        partial[i] = str(i, value) || 'null';
                    }

                    v = partial.length === 0 ? '[]' : gap ? '[\n' + gap + partial.join(',\n' + gap) + '\n'
                        + mind + ']' : '[' + partial.join(',') + ']';
                    gap = mind;
                    return v;
                }

                if (rep && typeof rep === 'object') {
                    length = rep.length;
                    for (i = 0; i < length; i += 1) {
                        if (typeof rep[i] === 'string') {
                            k = rep[i];
                            v = str(k, value);
                            if (v) {
                                partial.push(quote(k) + (gap ? ': ' : ':') + v);
                            }
                        }
                    }
                } else {

                    for (k in value) {
                        if (Object.prototype.hasOwnProperty.call(value, k)) {
                            v = str(k, value);
                            if (v) {
                                partial.push(quote(k) + (gap ? ': ' : ':') + v);
                            }
                        }
                    }
                }

                v = partial.length === 0 ? '{}' : gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n'
                    + mind + '}' : '{' + partial.join(',') + '}';
                gap = mind;
                return v;
        }
    }

    if (typeof JSON.stringify !== 'function') {
        JSON.stringify = function (value, replacer, space) {

            var i;
            gap = '';
            indent = '';

            if (typeof space === 'number') {
                for (i = 0; i < space; i += 1) {
                    indent += ' ';
                }

            } else if (typeof space === 'string') {
                indent = space;
            }

            rep = replacer;
            if (replacer && typeof replacer !== 'function'
                && (typeof replacer !== 'object' || typeof replacer.length !== 'number')) {
                throw new Error('JSON.stringify');
            }

            return str('', {
                '':value
            });
        };
    }

    if (typeof JSON.parse !== 'function') {
        JSON.parse = function (text, reviver) {

            var j;

            function walk(holder, key) {

                var k, v, value = holder[key];
                if (value && typeof value === 'object') {
                    for (k in value) {
                        if (Object.prototype.hasOwnProperty.call(value, k)) {
                            v = walk(value, k);
                            if (v !== undefined) {
                                value[k] = v;
                            } else {
                                delete value[k];
                            }
                        }
                    }
                }
                return reviver.call(holder, key, value);
            }

            text = String(text);
            cx.lastIndex = 0;
            if (cx.test(text)) {
                text = text.replace(cx, function (a) {
                    return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
                });
            }

            if (/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').replace(
                /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').replace(
                /(?:^|:|,)(?:\s*\[)+/g, ''))) {

                j = eval('(' + text + ')');

                return typeof reviver === 'function' ? walk({
                    '':j
                }, '') : j;
            }
            throw new SyntaxError('JSON.parse');
        };
    }
}());
